Gossip whore? You brought this discussion to PFA yourself, remember?
You showed up here bragging about this "hot" 21-year-old you're hanging out with, but refuse to answer any questions about the situation, including whether or not she's the basic equivalent of a prostitute.
If she were legitimately into you, having sex with you, and not expecting you to spend money on her, I'm sure we would have heard all of the details by now.
The smart money is on you throwing around what little cash you have left in Mexican bars, attracting some gold digger type who feigns semi-interest so you keep spending on her, and will be out of your life as soon as the pocklewell runs dry.
But feel free to correct me if I'm wrong.